CN107920245A - A kind of method and apparatus for detecting video playing and starting the time - Google Patents

A kind of method and apparatus for detecting video playing and starting the time Download PDF

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Publication number
CN107920245A
CN107920245A CN201711175967.3A CN201711175967A CN107920245A CN 107920245 A CN107920245 A CN 107920245A CN 201711175967 A CN201711175967 A CN 201711175967A CN 107920245 A CN107920245 A CN 107920245A
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China
Prior art keywords
time
application program
synthesizer
startup time
volume
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CN201711175967.3A
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CN107920245B (en
Inventor
苏容
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Beijing QIYI Century Science and Technology Co Ltd
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Beijing QIYI Century Science and Technology Co Ltd
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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00Diagnosis, testing or measuring for television systems or their details
    • H04N17/004Diagnosis, testing or measuring for television systems or their details for digital television systems
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N21/00Selective content distribution, e.g. interactive television or video on demand [VOD]
    • H04N21/40Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
    • H04N21/43Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
    • H04N21/442Monitoring of processes or resources, e.g. detecting the failure of a recording device, monitoring the downstream bandwidth, the number of times a movie has been viewed, the storage space available from the internal hard disk
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04NPICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00Diagnosis, testing or measuring for television systems or their details
    • H04N2017/006Diagnosis, testing or measuring for television systems or their details for television sound

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  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Databases & Information Systems (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Two-Way Televisions, Distribution Of Moving Picture Or The Like (AREA)

Abstract

This application discloses a kind of method and apparatus for detecting video playing and starting the time, this method includes:Trigger action in response to playing video in the application, at the time of recording the trigger action, as the first moment;The volume synthesizer of terminal where monitoring the application program;If monitor the volume synthesizer for the application program export audio volume control, record the audio volume control start output at the time of, as the second moment;Elapsed time between first moment and second moment is determined as startup time of the application program to video playing.The video playing performance for starting time and application program for more accurately detecting video playing can be realized using the present processes.

Description

A kind of method and apparatus for detecting video playing and starting the time
Technical field
This application involves field of computer technology, more particularly to a kind of method and dress for detecting video playing and starting the time Put.
Background technology
At present, there is provided the application program of video playing is a kind of common application program of user.Answered in user using this kind of During with program, the operation that broadcasting video is triggered from user commences play out video to application program, generally requires certain Start the time.The length for starting the time influences whether that user watches the experience of video.Therefore, regarded to ensure that application program provides Be taken in small doses at short intervals business performance, it is necessary to detect startup time of the application program to video playing.
In the prior art, startup time of the application program to video playing, can pass through the operation log of application program It is detected.It has recorded in the operation log of application program at the time of user triggers video play operation and application program start to broadcast At the time of putting video, the time between the two moment is the startup time of video playing.Wherein, in the operation of application program Actually recorded in daily record, at the time of application call corresponding video playing module, which is typically determined into should The time of video is commenced play out for the startup time of detection video playing with program.
But in many cases, when application call corresponding video playing module, terminal is not started to toward contact Video is played for application program, user often also can't see video.Therefore, during the startup for the video playing that the prior art detects Between be not consistent often with the startup time that user experiences.As it can be seen that during the startup for the video playing that the prior art detects Between it is not accurate enough, so that the video playing performance of application program can be caused to be difficult to accurately test.
The content of the invention
Technical problems to be solved in this application are to provide a kind of method and apparatus for detecting video playing and starting the time, So that the startup time that the startup time of the video playing detected can experience with user is consistent, so as to fulfill more accurate Really detect the video playing performance for starting time and application program of video playing.
First aspect, there is provided a kind of method for detecting video playing and starting the time, including:
If occurring the trigger action for playing video in the application in terminal, at the time of recording the trigger action, make For the first moment;
Monitor the volume synthesizer of the terminal;
If monitor the volume synthesizer exports audio volume control for the application program, record the audio volume control and start At the time of output, as the second moment;
Elapsed time between first moment and second moment is determined as the application program to broadcast video The startup time put.
Optionally, the volume synthesizer of the monitoring terminal, including:
Monitor the audio session management interface of the volume synthesizer;
If monitor the meeting in the audio session management interface access volume synthesizer described in the application call Words, monitor whether the session is the application program output audio volume control.
Optionally, the method is applied to the terminal.
Optionally, the method further includes:
If the startup time exceedes default time threshold, the startup time using the startup time as property abnormality Report server.
Optionally, if the startup time exceedes default time threshold, using the startup time as property abnormality The startup time reports server, is specially:
If the startup time exceedes default time threshold and the network bandwidth of the terminal exceedes default bandwidth threshold Value, server is reported using the startup time as the startup time of property abnormality.
Second aspect, there is provided a kind of device for detecting video playing and starting the time, including:First recording unit, monitoring Unit, the second recording unit, determination unit, wherein:
First recording unit, if occurring the trigger action for playing video in the application in terminal, record At the time of the trigger action, as the first moment;
The monitoring unit, for monitoring the volume synthesizer of the terminal;
Second recording unit, if exporting audio wave for monitoring the volume synthesizer for the application program Shape, record the audio volume control start output at the time of, as the second moment;
The determination unit, it is described for elapsed time between first moment and second moment to be determined as Startup time of the application program to video playing.
Optionally, the monitoring unit includes:
First monitoring subelement, for monitoring the audio session management interface of the volume synthesizer;
Second monitoring subelement, if accessing institute for monitoring audio session management interface described in the application call The session in volume synthesizer is stated, monitors whether the session is the application program output audio volume control.
Optionally, described device further includes:
Reporting unit, if exceeding default time threshold for the startup time, using the startup time as performance The abnormal startup time reports server.
Optionally, the reporting unit, is specifically used for:
If the startup time exceedes default time threshold and the network bandwidth of the terminal exceedes default bandwidth threshold Value, server is reported using the startup time as the startup time of property abnormality.
In this application, application program examines the startup time of video playing by way of monitoring volume synthesizer Survey.Wherein, at the time of triggering application program broadcasting vision operation for user at quarter at the beginning of starting the time, the end of time is started Moment be monitor terminal volume synthesizer start for application program export audio volume control at the time of.Since volume synthesizer is opened Terminal will start to play sound for application program when beginning to export audio volume control for application program, and usual terminal starts to answer When playing sound with program therefore user, is by monitoring volume synthesizer just it can be seen that application program commences play out video The no mode that audio volume control is exported for application program detects startup time of the application program to video playing, the startup detected Time can be more in line with the startup time of user experience, this make it that the detection of the startup time of video playing is more accurate, from And make it that the detection of the video playing performance of application program is also more accurate.
Brief description of the drawings
In order to illustrate more clearly of the technical solution in the embodiment of the present application, make required in being described below to embodiment Attached drawing is briefly described, it should be apparent that, drawings in the following description are only some implementations described in the application Example, for those of ordinary skill in the art, can also obtain other attached drawings according to these attached drawings.
Fig. 1 is the network system block schematic illustration involved by an application scenarios in the embodiment of the present application;
Fig. 2 is a kind of flow diagram for detecting video playing and starting the method for time in the embodiment of the present application;
Fig. 3 detects testing process of certain videoconference client to the startup time of video playing to be a kind of in the embodiment of the present application Schematic diagram;
Fig. 4 is a kind of structure diagram for detecting video playing and starting the device of time in the embodiment of the present application.
Embodiment
In real life, user often uses the equipment such as PC ends, mobile phone, tablet, passes through example in the equipment Such as PPS, youku.com, Tencent's application program viewing video.Usual user chooses the video to be watched and clicks on broadcasting button, and It cannot immediately see the picture of broadcasting and hear the sound of broadcasting, but need user to wait application program loading a period of time Video can be commenced play out, this period is startup time of the application program to video playing.Starting the length of time can influence The experience of video is watched to user, therefore, in order to ensure that application program provides the performance of Video service, it is necessary to video playing The startup time is detected, so as to weigh the quality of the video playing performance of application program.
Inventor has found that what the prior art played application program video by the operation log of application program When the startup time is detected, due to being recorded in the operation log of application program, application call corresponding video plays At the time of module, and when application call corresponding video playing module, terminal is not started to as using journey toward contact Sequence plays video, and user often also can't see video.Therefore, the startup time for the video playing that the prior art detects and user What the startup time experienced was not consistent often.As it can be seen that the startup time for the video playing that the prior art detects is not accurate enough Really.
To solve the above-mentioned problems, in the embodiment of the present application, application is detected by way of monitoring volume synthesizer Startup time of the program to video playing.For a specific application program, user triggers application program and plays video It is registered as carving at the beginning of starting the time at the time of operation, monitors volume synthesizer and start to export audio wave for application program It is registered as starting the finish time of time at the time of shape, then elapsed time between the start time and the finish time It is startup time of the application program to video playing.Since volume synthesizer starts to export audio volume control for application program When terminal will start for application program play sound, usual terminal start for application program play sound when user with regard to energy Enough see that application program commences play out video, therefore, by monitoring whether volume synthesizer is that application program exports audio volume control Mode detect startup time of the application program to video playing, the startup time detected can be more in line with user experience The startup time, this cause video playing startup the time detection it is more accurate so that the video playing of application program The detection of performance is also more accurate.
For example, one of scene of the embodiment of the present application, can be applied in network system as shown in Figure 1, institute Stating network system includes:Terminal 101 and server 102.
Wherein, terminal 101 includes volume synthesizer and application program.First, if appearing in application program in terminal 101 In broadcasting vision operation, then as the first moment at the time of recording the trigger action.Then, terminal 101 can monitor institute State the volume synthesizer of terminal and record at the time of the volume synthesizer exports audio volume control for the application program and be used as the Two moment.After again, elapsed time between first moment and second moment can be determined as described answer by terminal 101 With startup time of the program to video playing.For the startup time detected, terminal 101 can report the startup time To server 102.
Optionally, the terminal 101 can be PC ends, mobile phone, tablet etc., and the application program for example can be that PC bis- is closed One client etc., the embodiment of the present application does not limit this.
It is understood that above-mentioned scene is only a Sample Scenario provided by the embodiments of the present application, the embodiment of the present application It is not limited to this scene.
Below in conjunction with the accompanying drawings, application program is detected to video playing to describe in detail by embodiment in the embodiment of the present application Startup the time method and apparatus specific implementation.
Embodiment one
Referring to Fig. 2, a kind of flow signal for detecting video playing and starting the method for time in the embodiment of the present application is shown Figure.In the present embodiment, the method specifically may comprise steps of:
If occurring the trigger action for playing video in the application in S201, terminal, record the trigger action when Carve, as the first moment.
Wherein, the trigger action can click on to be used to trigger the shortcut played by user.For example, user uses When client watches video, client provides the network linking of corresponding video, and user opens the network linking, described at this time to regard Frequency is in the state for stopping playing, and then, user, which clicks on, is used for the shortcut for triggering video playing in client, then user clicks on As application program is carved at the beginning of starting the time to video playing at the time of shortcut, namely the first moment to be recorded.
The volume synthesizer of S202, the monitoring terminal.
Due to that when the application program for playing video exports audio volume control by volume synthesizer, can represent that this should Video is commenced play out with program, so, in the present embodiment, volume synthesizer can be monitored, be closed by monitoring volume Output audio volume control grow up to be a useful person to determine the finish time of application program launching time.Wherein, the volume synthesizer can be institute State that terminal is preassembled, the different application in the terminal can control the terminal by calling volume synthesizer For the volume of itself output.The monitoring process can enumerate IMMDeviceEnumerator interfaces, audio by audio frequency apparatus Session management IAudioSessionManager interfaces etc. are realized.
It is understood that in the practical work process of volume synthesizer, volume synthesizer can by session come for Play the application program output audio volume control of video.Specifically, multiple conversational services, the meeting are provided with volume synthesizer Words can be the control in volume synthesizer.Wherein, each session can be used for controlling the audio volume control of an application program Output, so, when play video application program to export audio when, play the application program of video can access volume conjunction A session in growing up to be a useful person, can be that the application program for playing video exports audio volume control by the session.
Therefore, volume synthesizer can be for the process of the application program output volume:Application program first calls volume IMMDeviceEnumerator interfaces in synthesizer, obtain available audio frequency apparatus;Then application call volume synthesizes Audio session management IAudioSessionManager interfaces in device, so that volume synthesizer exports audio for application program Waveform.As a kind of example, based on the process that above-mentioned volume synthesizer is application program output volume, S202 is to volume synthesizer Monitoring can realize in the following ways:The audio session management of volume synthesizer described in terminal monitoring IAudioSessionManager interfaces, if monitoring IAudioSessionManager interfaces described in the application call The session in the volume synthesizer is accessed, monitors whether the session is the application program output audio volume control.
It is understood that when the session exports audio volume control for the application program, the terminal starts to answer Sound is played with program, usual terminal starts to mean that user can see application program and start for application program broadcasting sound Video is played, then performs follow-up S203.
By the volume synthesizer of terminal where monitoring the application program, application program can be monitored out either with or without calling Volume synthesizer is the application program output volume, thus further determine that the application program commence play out video when Carve, detect startup time of the application program to video playing.
If S203, monitor the volume synthesizer as application program output audio volume control, the audio wave is recorded At the time of shape starts output, as the second moment.
When it is that the application program exports audio volume control to monitor volume synthesizer, terminal can start as using journey Sequence plays sound.And usually terminal when starting to play sound for application program user it can be seen that application program commences play out regards Frequently, therefore, the second moment for starting to record during output in the audio volume control is that application program starts the time to video playing Finish time.
S204, elapsed time between first moment and second moment is determined as the application program to regarding The startup time that frequency plays.
It is understood that the startup time that S204 is determined can be used for judging the video playing of the application program The quality of performance.Wherein, the startup time is probably to represent the video playing normal startup time of good performance, it is also possible to Represent that the abnormal of video playing poor-performing starts the time.In the case of being detected between on startup by terminal, terminal can be with Server is reported to server.But if all startup times detected are all reported to server by terminal, not only result in The startup time of processing is excessive needed for server, and will also result in network overhead increase.In order to avoid terminal will be unnecessary The startup time is reported to server, to reduce the burden of server and save network overhead, when terminal can be only by abnormal start Between be reported to server.Specifically, after S204, the present embodiment can also for example include:Whether judge the startup time More than default time threshold, if the startup time exceedes default time threshold, to start the time different as performance using described The normal startup time reports server.Wherein, the time threshold can be default threshold value, such as can be used by investigating Satisfied start time obtained from preset value of the family to video playing.Alternatively, the time threshold can also be dynamic change Threshold value.
In addition, if the startup time exceedes default time threshold, that is, start time anomaly, and cause this result The reason for be probably client exception, it is also possible to the network when network bandwidth of the client is beyond video normal play Bandwidth, i.e. network bandwidth are abnormal.When the reason for startup time anomaly is client exception, client can be directed to and carried out Improve, but if being network bandwidth exception, then without being improved to client.It can be seen from the above that in the feelings of network bandwidth exception The abnormal startup time that terminal detects under condition may not necessarily be reported to server, so can be to avoid server to unnecessary The abnormal startup time is handled and can save network overhead.Specifically, after S204, the present embodiment can also for example wrap Include:Judge whether the startup time exceedes default time threshold and whether the network bandwidth of the terminal exceedes default band Wide threshold value, if the startup time exceedes default time threshold and the network bandwidth of the terminal exceedes default bandwidth threshold Value, server is reported using the startup time as the startup time of property abnormality.Wherein, the default bandwidth threshold can be with It is the minimal network traffic for not influencing video playing.
The technical solution of the embodiment of the present application, application program is detected by way of monitoring volume synthesizer video is broadcast The startup time put.Wherein, the user that recorded was triggered at the time of application program plays vision operation as the startup time First moment, the volume synthesizer of terminal where monitoring the application program, and it is the application to record the volume synthesizer At the time of program starts to export audio volume control, using the moment as the second moment for starting the time, by first moment and Elapsed time is determined as startup time of the application program to video playing between second moment.Since volume synthesizes Terminal will start to play sound for application program when device starts to export audio volume control for application program, and usual terminal starts User is just it can be seen that application program commences play out video, therefore, by monitoring volume synthesis when playing sound for application program Whether device is that the mode of application program output audio volume control detects startup time of the application program to video playing, is detected The startup time of user experience can be more in line with by starting the time, this make it that the detection of the startup time of video playing is more accurate Really, so that the detection of the video playing performance of application program is also more accurate.
Embodiment two
In the present embodiment, by taking a concrete scene as an example, startup time of the detection application program to video playing is introduced Application of the method in real life.
In the concrete scene, user watches video by the application program videoconference client on PC ends.When user selects The middle video to be watched, can click on the broadcasting button in PPS clients, and then PPS plays corresponding video for user, from It is the startup time to be detected for this period that user plays video that user, which clicks on broadcasting button to PPS clients,.
Referring to Fig. 3, show that a kind of detection application program is to the side of the startup time of video playing in the embodiment of the present application The flow chart of method, the specific steps of the method include:
If occurring the broadcast button that user clicks on broadcasting video on videoconference client in S301, terminal, described in terminal record 8 at the time of user clicks on the broadcast button that video is played on videoconference client:30:45, as the first moment;
The click can directly be touched click or be clicked on using other modes such as mouses.
The volume synthesizer of terminal described in S302, the terminal monitoring;
S303, the terminal are monitoring situation of the volume synthesizer for videoconference client output audio volume control Under, record the audio volume control and start 08 at the time of output:31:04, as the second moment;
Elapsed time between first moment and second moment is determined as the application by S304, the terminal Startup time of the program to video playing, it is 19s to obtain the startup time;
S305, the terminal judge whether the startup time exceedes default time threshold 15s;
If S306, the startup time exceed default time threshold, the terminal is using the startup time as performance The abnormal startup time reports server;
S307, detection terminate.
The technical solution of the embodiment of the present application, application program is detected by way of monitoring volume synthesizer video is broadcast The startup time put, the startup time detected can be more in line with the startup time of user experience, this causes video playing It is more accurate to start the detection of time, so that the detection of the video playing performance of application program is also more accurate.
Embodiment three
The above describes the reality of the detection application program of the application to the method for the startup time of video playing in detail Apply example.With this correspondingly, present invention also provides detection application program to the device of the startup time of video playing.Referring to Fig. 4, Show that a kind of structure diagram of the device for the startup time for detecting video playing, described device are specific in the embodiment of the present application Including:First recording unit 401, monitoring unit 402, the second recording unit 403, determination unit 404, wherein:
First recording unit 401, if occurring the trigger action for playing video in the application in terminal, note At the time of recording the trigger action, as the first moment;
The monitoring unit 402, for monitoring the volume synthesizer of the terminal;
Second recording unit 403, if exporting audio for monitoring the volume synthesizer for the application program Waveform, record the audio volume control start output at the time of, as the second moment;
The determination unit 404, for elapsed time between first moment and second moment to be determined as Startup time of the application program to video playing.
Optionally, the monitoring unit 402 can include:First monitoring subelement 4021 and second monitors subelement 4022;
The first monitoring subelement 4021, for monitoring the audio session management of the volume synthesizer IAudioSessionManager interfaces;
The second monitoring subelement 4022, if for monitoring described in the application call IAudioSessionManager interfaces access the session in the volume synthesizer, monitor whether the session is the application Program exports audio volume control.
Optionally, described device can also include reporting unit 405, if exceeding the default time for the startup time Threshold value, server is reported using the startup time as the startup time of property abnormality
Optionally, the reporting unit 405, is specifically used for:
If the startup time exceedes default time threshold and the network bandwidth of the terminal exceedes default bandwidth threshold Value, server is reported using the startup time as the startup time of property abnormality.
Present apparatus embodiment, when startup of the application program to video playing is detected by way of monitoring volume synthesizer Between, the startup time detected can be more in line with the startup time of user experience, this causes the startup time of video playing Detection is more accurate, so that the detection of the video playing performance of application program is also more accurate.
" first " in the titles such as " the first recording unit " mentioned in the embodiment of the present application, " the first monitoring unit " is simply For doing name mark, first sequentially is not represented.The rule is equally applicable to " second " etc..
As seen through the above description of the embodiments, those skilled in the art can be understood that above-mentioned implementation All or part of step in example method can add the mode of general hardware platform to realize by software.Based on such understanding, The technical solution of the application can be embodied in the form of software product, which can be stored in storage and be situated between In matter, such as read-only storage (English:Read-only memory, ROM)/RAM, magnetic disc, CD etc., including some instructions to So that a computer equipment (can be the network communication equipments such as personal computer, server, or router) performs Method described in some parts of each embodiment of the application or embodiment.
Each embodiment in this specification is described by the way of progressive, identical similar portion between each embodiment Divide mutually referring to what each embodiment stressed is the difference with other embodiment.It is real especially for method For applying example and device embodiment, since device embodiment is similar in appearance to embodiment of the method, so describe fairly simple, correlation Place illustrates referring to the part of embodiment of the method.Method and device embodiment described above is only schematical, its The middle module illustrated as separating component may or may not be physically separate, and the component shown as module can To be or may not be physical module, you can with positioned at a place, or can also be distributed in multiple network unit. Some or all of module therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.This area is general Logical technical staff is without creative efforts, you can to understand and implement.
The above is only the exemplary embodiment of the application, is not intended to limit the protection domain of the application.

Claims (10)

  1. A kind of 1. method for detecting video playing and starting the time, it is characterised in that including:
    If occurring the trigger action for playing video in the application in terminal, at the time of recording the trigger action, as One moment;
    Monitor the volume synthesizer of the terminal;
    If monitor the volume synthesizer exports audio volume control for the application program, record the audio volume control and start to export At the time of, as the second moment;
    Elapsed time between first moment and second moment is determined as the application program to video playing Start the time.
  2. 2. according to the method described in claim 1, it is characterized in that, the volume synthesizer of the monitoring terminal, including:
    Monitor the audio session management interface of the volume synthesizer;
    If monitor the session in the audio session management interface access volume synthesizer described in the application call, prison Control whether the session is the application program output audio volume control.
  3. 3. according to the method described in claim 1, it is characterized in that, the method is applied to the terminal.
  4. 4. according to the method described in claim 3, it is characterized in that, further include:
    If the startup time exceedes default time threshold, the startup time is reported as the startup time of property abnormality Server.
  5. If 5. according to the method described in claim 4, it is characterized in that, it is described startup the time exceed default time threshold, general The startup time reports server as the startup time of property abnormality, is specially:
    If the startup time exceedes default time threshold and the network bandwidth of the terminal exceedes default bandwidth threshold, will The startup time reports server as the startup time of property abnormality.
  6. A kind of 6. device for detecting video playing and starting the time, it is characterised in that including:
    First recording unit, if occurring the trigger action for playing video in the application in terminal, records the triggering At the time of operation, as the first moment;
    Monitoring unit, for monitoring the volume synthesizer of the terminal;
    Second recording unit, if exporting audio volume control for monitoring the volume synthesizer for the application program, records institute State audio volume control start output at the time of, as the second moment;
    Determination unit, for elapsed time between first moment and second moment to be determined as the application program The startup time to video playing.
  7. 7. device according to claim 6, it is characterised in that the monitoring unit, including:
    First monitoring subelement, for monitoring the audio session management interface of the volume synthesizer;
    Second monitoring subelement, if accessing the sound for monitoring audio session management interface described in the application call The session in synthesizer is measured, monitors whether the session is the application program output audio volume control.
  8. 8. device according to claim 6, it is characterised in that described device is configured at the terminal.
  9. 9. device according to claim 8, it is characterised in that further include:
    Reporting unit, if exceeding default time threshold for the startup time, using the startup time as property abnormality The startup time report server.
  10. 10. device according to claim 8, it is characterised in that the reporting unit, is specifically used for:
    If the startup time exceedes default time threshold and the network bandwidth of the terminal exceedes default bandwidth threshold, will The startup time reports server as the startup time of property abnormality.
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EP3731533A1 (en) * 2019-04-25 2020-10-28 Thomson Licensing Method for monitoring usage of at least one application executed within an operating system, corresponding apparatus, computer program product and computer-readable carrier medium

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